Here is a video showing the Lexus LF-A being tested in Nurburgring. THe Lexus LF-A sets a new record of 7 minutes, 24 seconds, beating Porsche 911 GT2’s 7 minutes, 32 seconds.
http://www.itechnews.net/2007/07/21/2008-porsche-911-gt2/

Watch the video after the break.

Porsche 911 GT3 RS is powered by a 3.6L engine which can generate 415 bhp @ 7600rpm, while Lamborghini Gallardo Superleggera is powered by V10 that generates an incredible 530hp.

Which one is faster? Watch the video after the jump.

Tiff Needell from Fifth Gear taks out Porsche 911 GT3 to race against  a Gazelle Helicopter. Check out the video below to see who wins the match.
The Porsche 911 GT3 is a high performance version of Porsche’s sports car, the 911. It is based on their GT3 class race car and is slotted alongside the 911 Turbo and the GT2 in the maker’s lineup. While the GT3 has a naturally-aspirated engine, both the Turbo and GT2 have turbochargers. It debuted on the 996 platform, replacing the similar 993-based 911 RS, which itself was simply the newest variant of a long line of RS models.